US12612488B2 - Resin composition for injection molding and injection-molded article - Google Patents

Resin composition for injection molding and injection-molded article

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Publication number
US12612488B2
US12612488B2 US18/246,269 US202118246269A US12612488B2 US 12612488 B2 US12612488 B2 US 12612488B2 US 202118246269 A US202118246269 A US 202118246269A US 12612488 B2 US12612488 B2 US 12612488B2
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US
United States
Prior art keywords
poly
resin
hydroxyalkanoate
weight
resin composition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active, expires
Application number
US18/246,269
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English (en)
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US20230357492A1 (en
Inventor
Yoshiaki Matsuoka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kaneka Corp
Original Assignee
Kaneka Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kaneka Corp filed Critical Kaneka Corp
Publication of US20230357492A1 publication Critical patent/US20230357492A1/en
Assigned to KANEKA CORPORATION reassignment KANEKA CORPORATION ASSIGNMENT OF ASSIGNOR'S INTEREST Assignors: MATSUOKA, YOSHIAKI
Application granted granted Critical
Publication of US12612488B2 publication Critical patent/US12612488B2/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00—Compositions of unspecified macromolecular compounds
    • C08L101/16—Compositions of unspecified macromolecular compounds the macromolecular compounds being biodegradable
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/04—Polyesters derived from hydroxycarboxylic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
US18/246,269 2020-09-24 2021-09-16 Resin composition for injection molding and injection-molded article Active 2043-02-14 US12612488B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020-159748 2020-09-24
JP2020159748 2020-09-24
PCT/JP2021/034056 WO2022065181A1 (ja) 2020-09-24 2021-09-16 射出成形用樹脂組成物および射出成形体

Publications (2)

Publication Number Publication Date
US20230357492A1 US20230357492A1 (en) 2023-11-09
US12612488B2 true US12612488B2 (en) 2026-04-28

Family

ID=80846614

Family Applications (1)

Application Number Title Priority Date Filing Date
US18/246,269 Active 2043-02-14 US12612488B2 (en) 2020-09-24 2021-09-16 Resin composition for injection molding and injection-molded article

Country Status (4)

Country Link
US (1) US12612488B2 (https=)
JP (1) JP7787821B2 (https=)
CN (1) CN116194269A (https=)
WO (1) WO2022065181A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4596773A1 (en) 2022-09-28 2025-08-06 Kaneka Corporation Method for producing non-woven fabric and melt-blown non-woven fabric, hot-melted body and method for producing same, coffee filter, and coffee capsule
WO2024171793A1 (ja) * 2023-02-17 2024-08-22 株式会社カネカ ポリ（３－ヒドロキシアルカノエート）系成形加工用樹脂組成物およびその成形体
WO2025075119A1 (ja) * 2023-10-04 2025-04-10 株式会社カネカ 樹脂組成物およびその利用
WO2026075261A1 (ja) * 2024-10-03 2026-04-09 Ｕｂｅ株式会社 生分解性樹脂組成物、押出成形品、モノフィラメント、スポーツ用品及び繊維製品

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008189861A (ja) 2007-02-07 2008-08-21 Tosoh Corp 色調に優れるポリ３−ヒドロキシブチレート系重合体及びポリ３−ヒドロキシブチレート系重合体の精製方法
JP2008303286A (ja) 2007-06-07 2008-12-18 Tosoh Corp ポリ３−ヒドロキシブチレート系重合体樹脂組成物
JP2014227543A (ja) 2013-05-27 2014-12-08 独立行政法人理化学研究所 ポリエステル樹脂組成物およびその製造方法、並びに該樹脂組成物から形成される成形体
WO2015052876A1 (ja) 2013-10-11 2015-04-16 株式会社カネカ 脂肪族ポリエステル樹脂組成物および脂肪族ポリエステル樹脂成形体
US20160215138A1 (en) * 2013-07-03 2016-07-28 Kaneka Corporation Polyester resin composition and molded article comprising resin composition
WO2017122679A1 (ja) 2016-01-12 2017-07-20 国立大学法人東京工業大学 生分解性脂肪族ポリエステル系繊維および製造方法
US20170362396A1 (en) * 2015-03-05 2017-12-21 Kaneka Corporation Method of producing polyester resin composition and method of producing polyester resin formed article, and polyester resin composition and polyester resin formed article

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010118041A1 (en) * 2009-04-06 2010-10-14 Metabolix, Inc. Method of improving film processing and injection molding of polyhydroxyalkanoate polymers
JP5581962B2 (ja) 2010-10-19 2014-09-03 株式会社リコー 共重合樹脂組成物、成形品、及び共重合樹脂組成物の製造方法
JP7569311B2 (ja) 2019-05-17 2024-10-17 株式会社カネカ 射出成形用樹脂組成物および射出成形体
JP7473551B2 (ja) 2019-07-16 2024-04-23 株式会社カネカ 溶融加工用組成物の製造方法
JP7433889B2 (ja) 2019-12-24 2024-02-20 株式会社カネカ 脂肪族ポリエステル系樹脂組成物およびその利用

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008189861A (ja) 2007-02-07 2008-08-21 Tosoh Corp 色調に優れるポリ３−ヒドロキシブチレート系重合体及びポリ３−ヒドロキシブチレート系重合体の精製方法
JP2008303286A (ja) 2007-06-07 2008-12-18 Tosoh Corp ポリ３−ヒドロキシブチレート系重合体樹脂組成物
JP2014227543A (ja) 2013-05-27 2014-12-08 独立行政法人理化学研究所 ポリエステル樹脂組成物およびその製造方法、並びに該樹脂組成物から形成される成形体
US20160215138A1 (en) * 2013-07-03 2016-07-28 Kaneka Corporation Polyester resin composition and molded article comprising resin composition
WO2015052876A1 (ja) 2013-10-11 2015-04-16 株式会社カネカ 脂肪族ポリエステル樹脂組成物および脂肪族ポリエステル樹脂成形体
US20160251494A1 (en) 2013-10-11 2016-09-01 Kaneka Corporation Aliphatic polyester resin composition and aliphatic polyester resin molded article
US20170362396A1 (en) * 2015-03-05 2017-12-21 Kaneka Corporation Method of producing polyester resin composition and method of producing polyester resin formed article, and polyester resin composition and polyester resin formed article
WO2017122679A1 (ja) 2016-01-12 2017-07-20 国立大学法人東京工業大学 生分解性脂肪族ポリエステル系繊維および製造方法
US20190003082A1 (en) 2016-01-12 2019-01-03 Tokyo Institute Of Technology Biodegradable aliphatic polyester fiber and method for producing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
International Search Report with English translation mailed on Dec. 7, 2021 in PCT/JP2021/034056 filed on Sep. 16, 2021 (4 pages).

Also Published As

Publication number Publication date
JP7787821B2 (ja) 2025-12-17
WO2022065181A1 (ja) 2022-03-31
CN116194269A (zh) 2023-05-30
US20230357492A1 (en) 2023-11-09
JPWO2022065181A1 (https=) 2022-03-31

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